Pontoon for windsurfer or sailboard



FIG. 1 is a side view of a pontoon for windsurfer or sailboard showing my new design; the opposite side elevation view being a mirror image of that shown;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a top perspective view thereof.

The broken lines shown in FIGS. 1 through 6 are illustrative purposes only and form no part of the claimed design. 

The ornamental design for a pontoon or windsurfer or sailboard, as shown and described. 